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Submission #396642

# Submission time Handle Problem Language Result Execution time Memory
396642 2021-04-30T13:50:44 Z timmyfeng Foehn Phenomena (JOI17_foehn_phenomena) C++17
100 / 100
 149 ms 6772 KB 
#include <bits/stdc++.h>
using namespace std;

const int N = 200001;

long long diff[N];

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    int n, q, s, t;
    cin >> n >> q >> s >> t;

    for (int i = 0; i <= n; ++i) {
        cin >> diff[i];
    }

    adjacent_difference(diff, diff + n + 1, diff);

    long long wind = 0;
    for (int i = 0; i <= n; ++i) {
        wind -= (diff[i] < 0 ? t : s) * diff[i];
    }

    while (q--) {
        int l, r, x;
        cin >> l >> r >> x;

        wind += (diff[l] < 0 ? t : s) * diff[l];
        diff[l] += x;
        wind -= (diff[l] < 0 ? t : s) * diff[l];

        if (r < n) {
            wind += (diff[r + 1] < 0 ? t : s) * diff[r + 1];
            diff[r + 1] -= x;
            wind -= (diff[r + 1] < 0 ? t : s) * diff[r + 1];
        }

        cout << wind << "\n";
    }
}

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 332 KB Output is correct
2 Correct 2 ms 392 KB Output is correct
3 Correct 2 ms 332 KB Output is correct
4 Correct 2 ms 332 KB Output is correct
5 Correct 2 ms 332 KB Output is correct
6 Correct 2 ms 332 KB Output is correct
7 Correct 2 ms 336 KB Output is correct
8 Correct 2 ms 332 KB Output is correct
9 Correct 2 ms 336 KB Output is correct
10 Correct 2 ms 332 KB Output is correct
11 Correct 2 ms 332 KB Output is correct
12 Correct 2 ms 336 KB Output is correct
13 Correct 2 ms 332 KB Output is correct
14 Correct 2 ms 332 KB Output is correct
15 Correct 2 ms 332 KB Output is correct
16 Correct 2 ms 332 KB Output is correct
17 Correct 2 ms 332 KB Output is correct
18 Correct 3 ms 332 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 328 KB Output is correct
21 Correct 1 ms 324 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 114 ms 4400 KB Output is correct
2 Correct 132 ms 5060 KB Output is correct
3 Correct 116 ms 5540 KB Output is correct
4 Correct 111 ms 4804 KB Output is correct
5 Correct 124 ms 5676 KB Output is correct
6 Correct 99 ms 5904 KB Output is correct
7 Correct 99 ms 5936 KB Output is correct
8 Correct 120 ms 5896 KB Output is correct
9 Correct 114 ms 6228 KB Output is correct
10 Correct 113 ms 4944 KB Output is correct
11 Correct 96 ms 6036 KB Output is correct
12 Correct 97 ms 6288 KB Output is correct
13 Correct 97 ms 6772 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 332 KB Output is correct
2 Correct 2 ms 392 KB Output is correct
3 Correct 2 ms 332 KB Output is correct
4 Correct 2 ms 332 KB Output is correct
5 Correct 2 ms 332 KB Output is correct
6 Correct 2 ms 332 KB Output is correct
7 Correct 2 ms 336 KB Output is correct
8 Correct 2 ms 332 KB Output is correct
9 Correct 2 ms 336 KB Output is correct
10 Correct 2 ms 332 KB Output is correct
11 Correct 2 ms 332 KB Output is correct
12 Correct 2 ms 336 KB Output is correct
13 Correct 2 ms 332 KB Output is correct
14 Correct 2 ms 332 KB Output is correct
15 Correct 2 ms 332 KB Output is correct
16 Correct 2 ms 332 KB Output is correct
17 Correct 2 ms 332 KB Output is correct
18 Correct 3 ms 332 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 328 KB Output is correct
21 Correct 1 ms 324 KB Output is correct
22 Correct 114 ms 4400 KB Output is correct
23 Correct 132 ms 5060 KB Output is correct
24 Correct 116 ms 5540 KB Output is correct
25 Correct 111 ms 4804 KB Output is correct
26 Correct 124 ms 5676 KB Output is correct
27 Correct 99 ms 5904 KB Output is correct
28 Correct 99 ms 5936 KB Output is correct
29 Correct 120 ms 5896 KB Output is correct
30 Correct 114 ms 6228 KB Output is correct
31 Correct 113 ms 4944 KB Output is correct
32 Correct 96 ms 6036 KB Output is correct
33 Correct 97 ms 6288 KB Output is correct
34 Correct 97 ms 6772 KB Output is correct
35 Correct 120 ms 4544 KB Output is correct
36 Correct 116 ms 6020 KB Output is correct
37 Correct 118 ms 6724 KB Output is correct
38 Correct 124 ms 6536 KB Output is correct
39 Correct 115 ms 6596 KB Output is correct
40 Correct 149 ms 6592 KB Output is correct
41 Correct 123 ms 6360 KB Output is correct
42 Correct 119 ms 6544 KB Output is correct
43 Correct 139 ms 5828 KB Output is correct
44 Correct 120 ms 6292 KB Output is correct
45 Correct 114 ms 5960 KB Output is correct
46 Correct 121 ms 6640 KB Output is correct
47 Correct 122 ms 6616 KB Output is correct
48 Correct 100 ms 6724 KB Output is correct
49 Correct 110 ms 5756 KB Output is correct
50 Correct 103 ms 6532 KB Output is correct
51 Correct 98 ms 6588 KB Output is correct
52 Correct 98 ms 6504 KB Output is correct